Founding Machine Learning Engineer (Recommendations + GenAI)

Posted 2 Days Ago
Be an Early Applicant
Hiring Remotely in GBR
Remote
Senior level
Gaming • Information Technology • Software
The Role
Own the end-to-end development of machine learning systems for recommendations, ranking, personalization, retrieval, predictive analytics, and GenAI agents. Translate ambiguous product goals into experiments, evaluation frameworks, and production features. Work with behavioral and transactional data, conduct error analysis, improve model quality, and partner with engineering teams on deployment and monitoring. Establish ML standards, experimentation practices, and reusable Python components while driving measurable business outcomes.
Summary Generated by Built In

Are you ready to take your Machine Learning skills to the next level?

We are hiring a Founding Machine Learning Engineer to own the intelligence layer of our products. You will design, build, and improve the models and decision systems behind recommendations, ranking, personalisation, retrieval, agent behaviour, and selected predictive analytics use cases. You will work directly with the founders to turn ambiguous product ideas into production systems that create measurable customer value. In a team of our size, this is an end-to-end role: you may touch data exploration, modelling, evaluation, experimentation, and production iteration in the same week.

This is not a pure research role. We care about people who can move from data and hypotheses to shipped systems and business impact.


All you need is:

  • Strong foundations in machine learning, statistics, computer science, or a similar quantitative discipline;
  • Experience building and shipping ML systems or intelligent product features in production or near-production environments;
  • Strong Python skills and comfort working across data, modelling, evaluation, and production collaboration;
  • Good understanding of experimentation, model evaluation, feature engineering, data quality, and error analysis;
  • Clear communication and the ability to work through messy, ambiguous product problems;
  • High ownership, self-direction, and a strong bias toward action;
  • 5+ years building and shipping ML systems or intelligent product features in production;
  • Strong understanding of model evaluation, cross-validation, feature engineering, and data quality challenges in real-world environments;
  • Experience working with large-scale behavioural, transactional, or contextual data;
  • Strong software engineering habits, including writing clean, testable, maintainable Python code.


What would be an advantage:

  • Experience with recommendation systems, ranking, search, personalisation, or marketplace/feed optimisation;
  • Experience with LLM applications, RAG, GenAI agents, prompt iteration, or evaluation of GenAI systems;
  • Experience running A/B tests or online experiments;
  • Experience working closely with product teams and translating user problems into ML solutions;
  • Experience with real-time ML, streaming features, low-latency inference, or online learning;
  • Experience with causal inference, uplift modelling, multi-armed bandits, or other decision-optimisation methods;
  • Familiarity with cloud ML infrastructure, containerised deployment, and MLOps workflows;
  • Experience in iGaming, fintech, e-commerce, or another domain with large-scale transactional and behavioural data;
  • Experience with predictive analytics use cases such as segmentation, churn prevention, LTV modelling, or opportunity prioritisation.


Your daily adventures will look like:

  • Design, build, and improve ML systems for recommendations, ranking, personalisation, retrieval, and GenAI workflows;
  • Turn product goals into concrete ML problems, evaluation plans, experiments, and shipped features;
  • Work with behavioural, transactional, contextual, and unstructured data to identify signals and improve model quality;
  • Build offline evaluation frameworks and online experiments to measure relevance, quality, latency, cost, and business impact;
  • Improve GenAI agent behaviour through better retrieval, context management, prompting, tool use, orchestration, and evaluation;
  • Investigate failure modes, run error analysis, and make practical tradeoffs across quality, reliability, speed, and complexity;
  • Partner closely with platform and backend engineers to deploy, monitor, and iterate on models in production;
  • Help define how the company does ML: metrics, experimentation discipline, technical standards, and long-term direction;
  • Work with real-time behavioural and transactional signals to improve recommendations, personalisation, and intelligent product behaviour;
  • Contribute to predictive and insight-driven ML use cases such as segmentation, churn prediction, recommendation measurement, and opportunity ranking;
  • Write clean, testable Python and contribute reusable ML components and shared libraries used across the platform.


What Success Looks Like in the First 6 Months:

  • You ship meaningful improvements to a recommendation, personalisation, or GenAI workflow used in production;
  • You establish a practical evaluation framework for one or more core ML systems;
  • You turn ambiguous product opportunities into clear experiments and sound technical decisions;
  • You improve at least one metric that matters, such as relevance, task completion, conversion, retention, latency, or cost efficiency;
  • You become a trusted owner who spots high-leverage ML opportunities and drives them forward without needing detailed instruction;
  • You help establish a repeatable approach to experimentation, model iteration, and production-quality ML development.


And this is how our interview process goes:

  • A 30-minute interview with a member of our HR team to get to know you and your experience;
  • A 1-hour technical interview;
  • A final interview to gauge your fit with our culture and working style.

Sounds interesting? Do not hesitate to apply or contact us if you have any questions!

Skills Required

  • Strong foundations in machine learning, statistics, computer science, or a similar quantitative discipline
  • Experience building and shipping ML systems or intelligent product features in production or near-production environments
  • Strong Python skills across data, modeling, evaluation, and production collaboration
  • Understanding of experimentation, model evaluation, cross-validation, feature engineering, data quality, and error analysis
  • Clear communication and ability to solve ambiguous product problems
  • High ownership, self-direction, and bias toward action
  • At least 5 years building and shipping ML systems or intelligent product features in production
  • Experience working with large-scale behavioral, transactional, or contextual data
  • Strong software engineering practices, including clean, testable, maintainable Python code
  • Experience with recommendation systems, ranking, search, personalization, or marketplace/feed optimization
  • Experience with LLM applications, RAG, GenAI agents, prompt iteration, or GenAI system evaluation
  • Experience running A/B tests or online experiments
  • Experience partnering with product teams to translate user problems into ML solutions
  • Experience with real-time ML, streaming features, low-latency inference, or online learning
  • Experience with causal inference, uplift modeling, multi-armed bandits, or decision optimization
  • Familiarity with cloud ML infrastructure, containerized deployment, and MLOps workflows
  • Experience in iGaming, fintech, e-commerce, or another domain with large-scale transactional and behavioral data
  • Experience with predictive analytics such as segmentation, churn prevention, LTV modeling, or opportunity prioritization
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The Company
400 Employees
Year Founded: 2013

What We Do

Gamingtec is an international B2B technology provider founded in London in 2013 that develops complete software solutions for the iGaming industry. Its modular Turnkey platform connects player account management, casino games, an in-house sportsbook, payment infrastructure, affiliate management and compliance tools, letting operators launch and scale online casino and sportsbook businesses from a single back-office environment.

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